We're proud to announce a new #osco partner! 😍 Check out BrewtCon: they're an unconference as well, they're also community-driven, and they're valuing diversity and inclusion, too. Plus we think they're awesome. Their mission: build a community in Belgium for Testers & Quality professionals. 1/2

Huge kudos go out to Socotra Williams (www.linkedin.com/in/socotra-w...) for facilitating an insightful retrospective for our #osco organizer team! 💜 1/3

We've already presented our silver sponsors, yet did you know we also have fabulous bronze sponsors for the Open Security Conference 2026? 🤩 🧡 BRANDAD 🧡 DocuWare 🧡 @lutrasecurity.infosec.exchange.ap.brid.gy All of them help make #osco more inclusive and we're truly grateful. 1/2

It's International Non-Binary People's Day! 🎉 Did you know that the date was chosen for being precisely midway between International Women's Day and International Men's Day? Despite the impression this may give, gender is not on a scale at all. 1/3

Save the date: #BOBkonf2027 takes place Friday, 26 February 2027, at Scandic Hotel Potsdamer Platz in Berlin! Until then, why not re-watch some (or all!) of the excellent talks from previous conferences on our website? You can find them via bobkonf.de/archive/ #BOBkonf

Neu gelistet: Open Security Conference 🔐 Vom 5. bis 8.11.2026 in #Johannesberg Cybersecurity für alle – vom Einstieg bis Expert*in. Penetration Testing, Secure Software, Cloud Security & mehr. @opensecurityconf.bsky.social #Barcamp #osco #osco26 #Cybersecurity

The details for our second keynote just dropped! 🤩 Jahmel Harris will share his insights on "Building a Penetration Testing Lab in 2026" and we're here for it. Check out the full description here: opensecurityconference.org/conference/k... 1/2

Our partner conference @opensecurityconf.bsky.social takes place in November, and registration for OSCO 2026 is now open! If you're interested in security, OSCO offers a relaxed, diverse open space format for you to meet like-minded folks. More information: register.opensecurityconference.org

Hi there, Sadly we had a server outage this night but it was fixed in the morning during breakfast 🥐 ☕️ If you are a creature of the night and wanted to access our homepage or registration, I'm sorry for the inconvenience. Please try again. kind regards [uli]

Huge kudos to OSM Solutions for being a silver sponsor the Open Security Conference also for the 2026 edition! 🩶 We really appreciate their continued support in offering this event to even more folks interested in #CyberSecurity. Discover OSM Solutions: www.osm-s.com 1/2

Big shout-out to REWE digital for their continued silver sponsorship of the Open Security Conference! 🩶 Their support helps people gain access to #CyberSecurity matters, no matter their own background. We're truly grateful! Discover #REWEdigital: www.rewe-digital.com 1/2

Huge thanks to our silver sponsor from day 1: itRISKman and @jenshoffmann.bsky.social! 🩶 We're immensely grateful for their continued support. They literally keep the Open Security Conference more affordable for everyone interested in cybersecurity. Discover itRISKman: www.itriskman.de 1/2

So many registrations already came in within the first days! 🤩🎉 Keep them coming, we're ready. 😉 ➡️ opensecurityconference.org/conference/r... If you're wondering whether the Open Security Conference would be for you, ... 1/2

It's that time of the year! 🎉 The registration for the Open Security Conference 2026 is officially open. 🗓️ 5-8 November 2026 📌 Rückersbach, Germany (close to Frankfurt am Main) ➡️ opensecurityconference.org/conference/r... #osco #osco26 #Security #CyberSecurity #InfoSec #AppSec #OTSecurity [lisi]

Video of Hannes Mehnert's #BOBkonf2026 talk "Run your own digital infrastructure using MirageOS unikernels" is now up on our website! bobkonf.de/2026/mehnert... #BOBkonf

We're really close now! 🐵 Registration for #osco26 will open soon. Watch this space or pre-register to get an email directly to your inbox once official registration is open: opensecurityconference.org/conference/r... ✉️ #osco #Security #CyberSecurity #InfoSec #AppSec #OTSecurity #OpenSpace [lisi]

Ariadne Engelbrecht's #BOBkonf2026 talk "Accessibility by Design: Practical A11y for Everyday Software Engineering" is now available online! bobkonf.de/2026/engelbr...

Video of Julia Himmel's #BOBkonf2026 talk "Proofs for programs, programs for proofs" is now up on our website! bobkonf.de/2026/himmel....

Psst! We're busy preparing everything to open the official registration for #osco26. If you want to get informed once it's open so you can get first in line, just provide your email address via the pre-registration: opensecurityconference.org/conference/r... 😉 See you at #osco!

Did you know that there's a really cool online open space conference out there? That it's free? And an #osco partner? 🎉 Well, if you didn't know, now you know! We wholeheartedly recommend to check out the Friends of Good Software Conference: frogsconf.nl 1/2

We could not have said it better! 🤩 We're super happy to have you on board. So here's a huge thanks and shout-out to @lutrasecurity.infosec.exchange.ap.brid.gy for sponsoring #osco26! 🎉 [lisi]

At Lutra Security, we're convinced that we can only protect against cyber threats if work together. The foundation on which we all build is the collective sharing of knowledge and experience. Therefore, we are happy to announce that we are sponsoring the Open Security Conference 2026. @OSCo is […]

We're super proud to announce our second keynote speaker for #osco26! 😊 Please welcome Jahmel Harris. He's not only a professional ethical hacker, he's also been contributing to community initiatives for way longer than we can think. 1/2

It's finally time to announce our first keynote speaker for #osco26! 🤩 We're more than happy to have Stephanie Carstensen with us this year. She's specializing in #OTsecurity and industrial cybersecurity and shares her a vast experience in her keynote ... 1/2

We're super glad to announce that we've joined the #RainbowHat initiative! 🌈🤩 The Open Security Conference is founded on shared values, so we're glad we can support the growing #RHSafeHarborNetwork. Check out the RainbowHat charter and learn more on their website: rainbowhat.org #osco #osco26 [lisi]

📣 🚨 Elbsides conference 2026 is sold out 🚨 📣 Registration for the workshop day on June 4th is closed too. If you didn't get a ticket for either day, consider our fellow partner conferences: BSides Frankfurt(Sept 10-11, 2026),Open Security Conference(Nov 5-8, 2026) and BSides Munich(Nov 7 & 9, 2026)

Thanks to CCC generously hosting, the videos for recorded talks from #BOBkonf2026 are going up! We're kicking this off today with Stefan Kaufmann's keynote "'Digital Sovereignty' – Searching for Meaning in a Magical Concept". Find the video, slides, etc here: bobkonf.de/2026/stk.html

‼️Some tickets still available for our workshop day June 4th- don't miss the opportunity to learn about Secure development lifecycle, exploit and secure AI applications on AWS, investigate MacOS, understand modern application security or make hackers cry..with deception!‼️ Ticketshop: lnkd.in/ebD_6cmT

Pride. Existing just as we are, in whatever beautiful variations we own, in whatever ways we want to show for whatever reasons - throughout the year. This Pride Month, though, that's the month to remember the past, challenge the present and craft potential futures. 1/3

📣 New partner announcement: We're super happy to share that we partnered up with BSides Luxembourg! 🤩 This year's #BSidesLuxembourg2026 had just concluded and it was a blast. We loved the #community spirit of everyone interested in cybersecurity sharing and learning together. 1/2

Did you know that the Open Security Conference originated at the SoCraTes conference? If you didn't, now you know. 💡 Which makes us even happier to announce that we officially partnered up with @socrates-conference.de! 🤩 1/2

Come to Jungheinrich on June 4th, the day before Elbsides 2026 conference: Tickets available here: pretix.eu/elbsides/elb... (2/2)

💡 Everyone is talking about AI & your boss wants you to roll out an assistant in your apps. Want to know how to make sure it’s secure? Come to this 4h workshop on June 4th! You’ll learn how attackers target AI systems, and how to design safer architectures for real-world AI applications in AWS(1/2)

We're celebrating Global Accessibility Awareness Day! Accessible design helps everyone. We need access to technology and infrastructure when we're injured, when we're low on mental capacity, when we're in a crisis situation. We're encouraging you to learn one new thing about accessibility today. 1/4

🚨 One lucky person snatched the last ticket yesterday 🚨 @elbsides.bsky.social 2026 Conference ist completely sold out. But there are still tickets available for our workshop day on June 4th @ Jungheinrich : www.elbsides.eu/2026/worksho... Ticket for workshops: pretix.eu/elbsides/elb...

Did you know today's a special day? It's one of those that dearly need a special day to commemorate on, now more than ever. We shine the limelight on it today and need to remember it throughout the year. Today's the International Day Against Homophobia, Biphobia and Transphobia. 1/2

Today is world password day 🔑 Passwords have been used since ancient times and protect humans and assets. But computers get more powerful and adversaries trickier while our brains can't handle the increasing number of long passwords. 1/2

🗓️ One month to go until Elbsides🤩 From #ZeroTrust to #PQC. We will welcome students, managers, developers and CISO's again to discuss, listen & make new connections at Elbsides 2026. Trust us-it's worth coming to Hamburg for. 🗓 When: June 5th 📍 Where: Hamburg 🔗 Tickets: pretix.eu/elbsides/elb...

May is Mental Health Awareness Month. A good reminder that mental health is not always visible but it is always part of our overall well being. Taking care of it requires intention. Especially in times like these, building environments where people can share experiences without judgment matters.

We are happy to announce our new conference partnership. Warm greetings go to @bobkonf.bsky.social Although this years edition of BOBKonf already took place in March, we are looking forward to exchanging ideas and learning from each other. Check them out at bobkonf.de #osco #osco26 #BOBkonf2026

We're really happy to announce our new partner Open Security Conference @opensecurityconf.bsky.social – this year's edition takes place 5th through 8th November 2026 in Rückersbach, Germany. Check them out!

@elbsides.bsky.social Workshop day June 4th announcement - proud to be able to offer five workshops the day before the conference! Workshop tickets available April 17 @ 10 am. www.elbsides.eu/2026/worksho... Tickets for the conference on June 5th will be sold separately - more infos follow soon.

Today is a special day again. Today is Girls'Day. We all are part of a social system, that influences our decisions and beliefs or form gender roles. Girls'Day encourages the surroundings of young women – i.e. families, school, media and employers – to participate... 1/3

Today is #EarthDay. No matter our differences, there's one thing we all share: Earth is our home. As so many works of fiction and the daily news tell us: We better take good care of our planet. 1/3

Know a company that genuinely supports community driven initiatives & takes DEI seriously? We are looking for sponsors for the #osco26, an open space, practitioner led conference. If your organization wants to support the community, you can find details here: buff.ly/alqfopU

Elbsides is thrilled to have the support of www.igel.com Thank you for supporting our conference on June 5th as a Gold Sponsor ! #elbsides2026 #infosec #community #BSides

It's spring in this part of the world. Flowers are blooming, trees are sprouting, bees are buzzing and the osco preregistration is opening... Yes, you can now pre-register for the Open Security Conference 2026 here: opensecurityconference.org/conference/r... ...

Wondering what an Open Security Conference actually feels like? Take a look at impressions from previous editions: opensecurityconference.org/about/past-c... and here is our recap of #osco25: 2025.opensecurityconference.org/conference/r... See you at #osco26. [nazneen]

We have a new partner and a special recommendation for you: The Software Engineering Camp (SWEC) is an open space conference on all things software engineering and craftship! 🤩 The SWEC provides the opportunity to learn, socialize and grow with a diverse community of techies and nerds. 1/2